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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 329 (Object Detection System And Pedestrian Protection System) >> Diagnostic Information and Procedures >> DTC B127B: Rearview Camera Input Signal Circuit >> Diagnostic Fault Information
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Diagnostic Fault Information

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Ignition 1 B127B 08, B127B 2B - -
Camera video signal (+) 1 B127B 08, B127B 2B, 1 1 -
Camera video signal (-) 2 B127B 08, B127B 2B, 1 1 -
Ground - B127B 08, B127B 2B, 2 - -
Shield - B127B 08, B127B 2B, 2 - -
1. Camera Malfunction
2. Poor Quality Image